1. Adult: Predict whether income exceeds $50K/yr based on census data. Also known as "Census Income" dataset.

2. Census Income: Predict whether income exceeds $50K/yr based on census data. Also known as "Adult" dataset.

3. Census-Income (KDD): This data set contains weighted census data extracted from the 1994 and 1995 current population surveys conducted by the U.S. Census Bureau.

4. Insurance Company Benchmark (COIL 2000): This data set used in the CoIL 2000 Challenge contains information on customers of an insurance company. The data consists of 86 variables and includes product usage data and socio-demographic data

5. IPUMS Census Database: This data set contains unweighted PUMS census data from the Los Angeles and Long Beach areas for the years 1970, 1980, and 1990.